Orthodontic device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 7, 2000
Grant Date -
N/A
app pub date -
Jan 14, 1999
filing date -
May 16, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An orthodontic appliance comprises a band to be set around one tooth of lateral teeth, an outer cylinder fixed to the band, an inner cylinder formed longer than the outer cylinder and supported slidably within the outer cylinder, a wire fixed to each tooth of anterior teeth via a bracket and extended toward the lateral teeth, and inserted through the inner cylinder, and biasing means attached between the outer cylinder and the bracket and serving for biasing the anterior teeth toward the lateral teeth, in which arrangement the inner cylinder is fixed at an open end portion to the wire.
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Family
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